Patents by Inventor Liu C. Pang

Liu C. Pang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4989309
    Abstract: This invention relates to a new structure of blade binding cord guiding arrangement for venetian blind making machine and more particularly to an arrangement which drives the blade binding cord to be movably positioned at predetermined position and prop open the binding cord for smooth insertion of blind blades and to let the transverse lines of the ladder-like blade binding cord be intermittently set at both lateral sides of the venetian blind control rope, so as to let the ladder-like blade binding cord be smoothly piled up when the venetian blind is collapsed.
    Type: Grant
    Filed: May 2, 1990
    Date of Patent: February 5, 1991
    Inventor: Liu C. Pang